CFR / 
Title 42
 / Part 137
 / 
Sec. 137.334 What happens if the Secretary fails to notify the construction project proposal within the time period allowed?
If the Secretary fails to notify the Self-Governance Tribe of the decision to approve or reject within 30 days (or a longer period if agreed to by the Self-Governance Tribe in writing), then the proposal will be deemed approved by the Secretary.